I've learned that you can reasonably quickly troubleshoot Captivate issues if you hide or delete parts of your project file. For example, if you delete the first 50 percent of your slides and the course runs, you now know that the issue is in the first 50 percent of your project. Keep repeating this until you narrow it down to just one or two slides. I recently went through this issue to learn that my course wasn't loading because of something to do with my question pools. I had three question pools and each had rather long names with the underscore symbol used between words. Not knowing for sure what the problem was, I moved the questions from the pools to the main Filmstrip and deleted the existing question pools. I recreated the question pools but rather than renaming them, I left their default names. I moved my questions back into the question pool and the course now runs perfectly fine.
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